RISK SCENARIOS FOR FLASH-FLOODS IN THE RURAL AREA GENERATED BY COMBINED HAZARD, TECHNOLOGIC AND NATURAL, Carpathian Journal of Earth and Environmental Sciences, February 2019, Vol. 14, No. 1, p. 181 - 190; DOI:10.26471/cjees/2019/014/070 - Carpathian Journal of Earth And Environmental Sciences

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Ionel HAIDU¹, Augustin Ionuţ CRĂCIUN² & Radu Alexandru MARIAN³

¹University of Lorraine, Laboratory LOTERR - EA 7304, Ile du Saulcy, 57045 Metz, France, e-mail: ionel.haidu@univ-lorraine.fr

²Someş-Tisa Water Authority, Hydrological Station SGA Cluj, Donath Street 157A, 400293 Cluj-Napoca,

Romania, e-mail: hidro@sgacj.dast.rowater.ro

³S.C. VITAL S.A., Gheorghe Sincai Street 21, 430011 Baia Mare, Romania, ralex_marian@yahoo.com

RISK SCENARIOS FOR FLASH-FLOODS IN THE RURAL AREA GENERATED BY COMBINED HAZARD, TECHNOLOGIC AND NATURAL, Carpathian Journal of Earth and Environmental Sciences, February 2019, Vol. 14, No. 1, p. 181 - 190; DOI:10.26471/cjees/2019/014/070

Full text

Certain rural settlements situated in the floodplain area are exposed to a high risk of flash-floods, in case a sudden damage appeared in the supply water system network. The purpose of the present research is the anticipation of hydrological risk in this type of areas in case of a simultaneous occurrence of two types of hazard: torrential rain and damages to the supply water system network. Therefore we will use an ArcGIS procedure of building flash-floods scenarios generated by extreme events, namely the high level of soil saturation, damages to the supply water system network and a high intensity torrential rain. The article presents different scenarios according to the return period (T) of the torrential rain: T= 20 years, T=100 years and T=1000 years. The results will highlight the several vulnerability categories of the terrain and households related to combined risk. The flash-floods scenarios in the rural settlements that benefit from a supply water system network will be of great use to the local administrative authorities for the management of combined risk emergencies.